66707070043 has 2 divisors, whose sum is σ = 66707070044. Its totient is φ = 66707070042.

The previous prime is 66707070013. The next prime is 66707070077. The reversal of 66707070043 is 34007070766.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66707070043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66707069978 and 66707070005.

It is not a weakly prime, because it can be changed into another prime (66707070013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33353535021 + 33353535022.

It is an arithmetic number, because the mean of its divisors is an integer number (33353535022).

Almost surely, 2^66707070043 is an apocalyptic number.

66707070043 is a deficient number, since it is larger than the sum of its proper divisors (1).

66707070043 is an equidigital number, since it uses as much as digits as its factorization.

66707070043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 66707070043 in words is "sixty-six billion, seven hundred seven million, seventy thousand, forty-three".